64624070161 has 8 divisors (see below), whose sum is σ = 74165103360. Its totient is φ = 55160292768.

The previous prime is 64624070149. The next prime is 64624070221. The reversal of 64624070161 is 16107042646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64624070161 - 2¹³ = 64624061969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64624070161.

It is not an unprimeable number, because it can be changed into a prime (64624070561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19312156 + ... + 19315501.

It is an arithmetic number, because the mean of its divisors is an integer number (9270637920).

Almost surely, 2^64624070161 is an apocalyptic number.

It is an amenable number.

64624070161 is a deficient number, since it is larger than the sum of its proper divisors (9541033199).

64624070161 is a wasteful number, since it uses less digits than its factorization.

64624070161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38627903.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 64624070161 in words is "sixty-four billion, six hundred twenty-four million, seventy thousand, one hundred sixty-one".